Base | Representation |
---|---|
bin | 11100101100010001… |
… | …110110110101001011 |
3 | 2221112001000202100200 |
4 | 130230101312311023 |
5 | 1001043224241421 |
6 | 22053002503243 |
7 | 2140304462304 |
oct | 345421666513 |
9 | 87461022320 |
10 | 30807649611 |
11 | 1207a12a152 |
12 | 5b79504b23 |
13 | 2b9c7c5a8b |
14 | 16c38057ab |
15 | c049b2726 |
hex | 72c476d4b |
30807649611 has 48 divisors (see below), whose sum is σ = 47511798048. Its totient is φ = 19169280000.
The previous prime is 30807649591. The next prime is 30807649633. The reversal of 30807649611 is 11694670803.
It is a happy number.
30807649611 is a `hidden beast` number, since 3 + 0 + 80 + 76 + 496 + 11 = 666.
It is a de Polignac number, because none of the positive numbers 2k-30807649611 is a prime.
It is a super-2 number, since 2×308076496112 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30807649661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9474736 + ... + 9477986.
It is an arithmetic number, because the mean of its divisors is an integer number (989829126).
Almost surely, 230807649611 is an apocalyptic number.
30807649611 is a deficient number, since it is larger than the sum of its proper divisors (16704148437).
30807649611 is a wasteful number, since it uses less digits than its factorization.
30807649611 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3772 (or 3769 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The spelling of 30807649611 in words is "thirty billion, eight hundred seven million, six hundred forty-nine thousand, six hundred eleven".
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